def get_barcode(request, slide_id):
try:
s = Alopecia.objects.get(pk=slide_id)
except Alopecia.DoesNotExist:
raise Http404
if s.SlideType == 1:
ds = pydicom.dcmread(str(s.UrlPath))
label = get_PIL_image(ds)
response = HttpResponse(content_type='image/png')
label.thumbnail(MAX_THUMBNAIL_SIZE)
label.save(response, "PNG")
response['Content-Disposition'] = 'attachment; filename="label.png"'
return response
else:
file = path.join(settings.HISTOSLIDE_SLIDEROOT, str(s.UrlPath))
slide = OpenSlide(file)
if ('label' in slide.associated_images.keys()
and slide.associated_images['label'] != None):
response = HttpResponse(content_type='image/png')
label = slide.associated_images['label']
if (label.size[0] < label.size[1]):
label = label.transpose(Image.ROTATE_270)
basewidth = 200
wpercent = (basewidth / float(label.size[0]))
hsize = int((float(label.size[1]) * float(wpercent)))
label = label.resize((basewidth, hsize), Image.ANTIALIAS)
label.save(response, "PNG")
response[
'Content-Disposition'] = 'attachment; filename="barcode.png"'
return response
elif (('macro' in slide.associated_images.keys()
and slide.associated_images['macro'] != None)):
response = HttpResponse(content_type='image/png')
label = slide.associated_images['macro']
if (label.size[0] > label.size[1]):
label = label.transpose(Image.ROTATE_270)
basewidth = 200
wpercent = (basewidth / float(label.size[0]))
hsize = int((float(label.size[1]) * float(wpercent)))
label = label.resize((basewidth, hsize), Image.ANTIALIAS)
label = label.crop((0, 0, 200, 200))
label.save(response, "PNG")
response[
'Content-Disposition'] = 'attachment; filename="barcode.png"'
return response
else:
file_path = settings.STATICFILES_DIRS[
0] + '/images/placeholder-image.png'
if path.exists(file_path):
with open(file_path, 'rb') as fh:
response = HttpResponse(fh.read(), content_type="image/*")
response[
'Content-Disposition'] = 'inline; filename=' + path.basename(
file_path)
return response
raise Http404
def gen_thumbnail_url(request, slide_id):
try:
s = Alopecia.objects.get(pk=slide_id)
except Alopecia.DoesNotExist:
raise Http404
label_name = str(s.LabelUrlPath).split('/')[-1]
if label_name != 'placeholder.png':
return JsonResponse({
'thumbnail':
request.build_absolute_uri(str(s.LabelUrlPath)),
})
else:
if s.SlideType == 1:
ds = pydicom.dcmread(str(s.UrlPath))
thumbnail = get_PIL_image(ds)
response = HttpResponse(content_type='image/png')
thumbnail.thumbnail(MAX_THUMBNAIL_SIZE)
filename = str(s.UrlPath).split('/')[-1]
fWithoutExt = filename.split('.')
fWithoutExt.pop()
fWithoutExt = ''.join(fWithoutExt)
thumbnailName = fWithoutExt + '.thumbnail'
dirPath = settings.STATICFILES_DIRS[0] + '/images/thumbnail'
thumbnail.save(dirPath + '/' + thumbnailName, 'JPEG')
return JsonResponse({
'thumbnail':
request.build_absolute_uri('/static/images/thumbnail/') +
thumbnailName,
})
else:
file = path.join(settings.HISTOSLIDE_SLIDEROOT, str(s.UrlPath))
slide = OpenSlide(file)
thumbnail = slide.get_thumbnail((800, 600))
filename = str(s.UrlPath).split('/')[-1]
fWithoutExt = filename.split('.')
fWithoutExt.pop()
fWithoutExt = ''.join(fWithoutExt)
thumbnailName = fWithoutExt + '.thumbnail'
dirPath = settings.STATICFILES_DIRS[0] + '/images/thumbnail'
thumbnail.save(dirPath + '/' + thumbnailName, 'JPEG')
return JsonResponse({
'thumbnail':
request.build_absolute_uri('/static/images/thumbnail/') +
thumbnailName,
})
def get_thumbnail(request, slide_id):
try:
s = Alopecia.objects.get(pk=slide_id)
except Alopecia.DoesNotExist:
raise Http404
label_name = str(s.LabelUrlPath).split('/')[-1]
if label_name != 'placeholder.png':
file_path = str(s.LabelUrlPath)
if path.exists(file_path):
with open(file_path, 'rb') as fh:
response = HttpResponse(fh.read(), content_type="image/*")
response[
'Content-Disposition'] = 'inline; filename=' + path.basename(
file_path)
return response
if s.SlideType == 1:
ds = pydicom.dcmread(str(s.UrlPath))
label = get_PIL_image(ds)
response = HttpResponse(content_type='image/png')
label.thumbnail(MAX_THUMBNAIL_SIZE)
label.save(response, "PNG", optimize=True, quality=95)
response['Content-Disposition'] = 'attachment; filename="label.png"'
return response
else:
file = path.join(settings.HISTOSLIDE_SLIDEROOT, str(s.UrlPath))
slide = OpenSlide(file)
if (('macro' in slide.associated_images.keys()
and slide.associated_images['macro'] != None)):
response = HttpResponse(content_type='image/png')
label = slide.associated_images['macro']
if (label.size[0] > label.size[1]):
label = label.transpose(Image.ROTATE_270)
basewidth = 200
wpercent = (basewidth / float(label.size[0]))
hsize = int((float(label.size[1]) * float(wpercent)))
label = label.resize((basewidth, hsize), Image.ANTIALIAS)
if (label.size[1] > 620):
label = label.crop((0, 120, label.size[0], label.size[1]))
if (('label' in slide.associated_images.keys()
and slide.associated_images['label'] != None)):
barcode = slide.associated_images['label']
if (barcode.size[0] < barcode.size[1]):
barcode = barcode.transpose(Image.ROTATE_270)
bw = 200
wp = (bw / float(barcode.size[0]))
hs = int((float(barcode.size[1]) * float(wp)))
barcode = barcode.resize((bw, hs), Image.ANTIALIAS)
new_image = Image.new('RGB',
(200, barcode.size[1] + label.size[1]),
(250, 250, 250))
new_image.paste(barcode, (0, 0))
new_image.paste(label, (0, barcode.size[1]))
label = new_image
label.save(response, "PNG")
response[
'Content-Disposition'] = 'attachment; filename="label.png"'
return response
else:
file_path = settings.STATICFILES_DIRS[
0] + '/images/placeholder-image.png'
if path.exists(file_path):
with open(file_path, 'rb') as fh:
response = HttpResponse(fh.read(), content_type="image/*")
response[
'Content-Disposition'] = 'inline; filename=' + path.basename(
file_path)
return response
raise Http404